Gemini News Archive

Gemini South Mid-Infrared Imager T-ReCS Glimpses Dry Ice Frost on Mars

T-ReCS on Gemini South was used to obtain an image of Mars using a spectral filter centered at a wavelength of 12.8 microns. The image was made on 2003 June 4.

New Gemini Images Exemplify the Power of Adaptive Optics

A razor-sharp image was released today revealing new details at the heart of a famous star cluster M-13, taken with adaptive optics system Altair on Gemini North.

Gemini Newsletter #26 Released

OSCIR Probes Heated Dust in the Active Galactic Nucleus of the Spiral Galaxy NGC 4151

Astronomers used the mid-infrared camera OSCIR mounted on Gemini North to observe the nuclear region of NGC 4151 at the wavelengths of 10.8 and 18.2 microns.

NIRI Catches the Infrared Glow of a Major Neutron Star Outburst

Gemini's Near-Infrared Imager, NIRI, was trained on the magnetar 1E 2259+586 shortly after X-ray bursts were detected in June of 2002. 

Gemini South Tracks Optical Microflares Around Black Hole in Binary System

Astronomers have embarked on a study of aperiodic optical variability of SXTs, using the Acquisition Camera on the Gemini South telescope, in order to explore the source of the microflares on short timescales.

Gemini North and Keck Probe Saturn's Moon Titan from Clouds to Icy Highlands

Henry Roe and collaborators used adaptive optics to study Titan's clouds and the observations have revealed that the southern hemisphere shows more cloud activity than the northern hemisphere.

Gemini South Staff Moves Into New Base Facility in Chile

In late February/early March, staff members completely moved into the new Gemini South Southern Base Facility in La Serena, Chile. 

Gemini's Near-Infrared Imager Images Over 120,000 Stars in the Nearby Galaxy M33

The Gemini Near-infrared Imager (NIRI) has been working reliably and delivering excellent images at wavelengths between 1 and 5 microns. 

Gemini Images Tightest Known Orbiting Brown Dwarf-Star Pair

The tightest orbiting brown dwarf companion ever seen has been discovered orbiting the low mass star LHS 2397a, using adaptive optics on Gemini North.

Gemini Announces Selection of Six "StarTeachers"

The three Big Island StarTeachers selected are Kristen Luning of Keaau High School; Alicia Hui of Haili Christian School; and Christine Copes of Waiakea Elementary School. The three Chilean teachers are Carmen Luz Briones, Viviana Calderon and Jenny Opazo.

Tragic Fire Destroys Most of Australia's Mount Stromlo Observatory

Violent bush fires ravaging Canberra destroyed most of the facilities at the Stromlo Observatory including Gemini's Near-Infrared Integral Field Spectrograph.

Gemini South Helps Discover Galactic Jet in Spiral Galaxy

Gemini South Assistant Astronomer Dr. Michael Ledlow has helped confirm the existence of a giant, subatomic particle jet streaming from a spiral galaxy similar to the Milky Way.

Gemini North & South Receive New Instruments for the Holidays!

Gemini South took delivery of GMOS-S in November 2002 and the facility mid-infrared imager and spectrometer Michelle arrived at Gemini North in the first week of December.

Probing the Chemistry of Red Giants in the Large Magellanic Cloud with PHOENIX on Gemini South

Using PHOENIX on Gemini South, an international team has determined the chemistry in 12 red giant stars spanning masses between 1-4 Msun. 

Gemini Telescope on Mauna Kea Named in Honor of Dr. Frederick C. Gillett

Gemini Observatory honored Dr. Fred Gillett, a pioneer in infrared astronomy, by naming the Gemini North Telescope in his honor at ceremonies at the telescope on Mauna Kea, Hawai'i, November 13, 2002.

IRS-8 - A unique bow shock in the Galactic Center region

Tom Geballe, Francois Rigaut and Jean-Rene Roy of the Gemini Observatory have analyzed the exquisite images obtained with Hokupa'a-QUIRC on the Gemini North Telescope in order to study the unique object IRS-8.

Astronomers "Converge" on Galactic Center

Approximately 110 astronomers will meet in Kona during November 3-8, 2002, to discuss the nucleus of our Milky Way in a conference called "The Central 300 Parsecs."

OSCIR Unveils Rich Dust Content in the Second Most Metal Deficient Galaxy Known

Canadian Ph. D. student Stephanie Plante and French astronomer Marc Sauvage used OSCIR on Gemini North to image SBS 0335-052 in the mid-infrared at 10.8 and 21 microns. 

Gemini Obtains First Spectrum From Furthest Known Dusty Galaxy

Michael Ledlow and his collaborators, using GMOS-N, studied the optical counterpart of the submillimeter source, SMMJ09431+4700 that is seen through an intervening galaxy cluster (Abell 851) at redshift 0.41.